Leo the rabbit is climbing up a flight of 10 steps. leo can only hop up 1 or 2 steps each time he hops. He never hops down, only up.

how many ways can leo hop up the flight of 10 steps? Give evidence and show your work.

please help^^

16 more than the product of 5 and p

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

In a tutoring session, 2/3 of an hour was spent reviewing math problems. adelina attended 3/4 of the tutoring session. how much time did adelina spend at the tutoring session?